Home / 452,566.78-678,856.39-115,610.22

Finding the Fourth Proportional to 452,566.78, 678,856.39 and 115,610.22

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Solution

The fourth proportional to 452,566.78, 678,856.39 and 115,610.22 is: 173,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,566.78 : 678,856.39 = 115,610.22 : x
  2. Step 2: Convert to fraction form
    452,566.78/678,856.39 = 115,610.22/x
  3. Step 3: Cross multiply
    452,566.78x = 678,856.39 × 115,610.22
  4. Step 4: Simplify right side
    452,566.78x = 78,482,736,307.28
  5. Step 5: Solve for x
    x = 78,482,736,307.28/452,566.78
  6. Step 6: Final answer
    x = 173,416.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.